Programming Features :: (MATLAB Release Notes)

MATLAB Release Notes

Programming Features

MATLAB 7.0.1 adds the following programming features and enhancements:

New Character Set Conversion Functions

Unicode is becoming the preferred internal presentation of characters in MATLAB. For example, MATLAB functions such as disp require an input string in Unicode to display properly. To facilitate the use of different character sets, MATLAB provides two new functions to convert characters from a native character set to Unicode and back.

The native2unicode function converts from either a default, or user specified, native character set to Unicode. The unicode2native function does the opposite, converting from Unicode to either a default, or user specified, native character set. Note that any MATLAB string containing only US-ASCII characters does not require any conversion.

Type doc native2unicode or doc unicode2native for more information on these functions.

New Options for the depfun Function

The depfun function now supports these options:

Option
Description

'-all'
Computes all possible left-side arguments and displays the results in the report(s). Only the specified arguments are returned.

'-calltree'
Returns a call list in place of a called_from list. This is derived from the called_from list as an extra step.

'-expand'
Includes both indices and full paths in the call or called_from list.

'-print', 'file'
Prints a full report to file.

'-quiet'
Displays only error and warning messages, and not a summary report.

'-toponly'
Examines only the files listed explicitly as input arguments. It does not examine the files on which they depend.

'-verbose'
Outputs additional internal messages.

Option	Description
`'-all'`	Computes all possible left-side arguments and displays the results in the report(s). Only the specified arguments are returned.
`'-calltree'`	Returns a `call` list in place of a `called_from` list. This is derived from the `called_from` list as an extra step.
`'-expand'`	Includes both indices and full paths in the `call` or `called_from` list.
`'-print', 'file'`	Prints a full report to `file`.
`'-quiet'`	Displays only error and warning messages, and not a summary report.
`'-toponly'`	Examines only the files listed explicitly as input arguments. It does not examine the files on which they depend.
`'-verbose'`	Outputs additional internal messages.

regexprep Supports Character Representations in Replacement String

The regexprep function now supports the use of character representations (e.g., '\t' for tab, '\n' for newline) in replacement strings. For example, the following regexprep command replaces the | character with two horizontal tabs:

str = 'Field 1 | Field 2 | Field 3';
regexprep(str, '\|', '\t\t')
ans =
   Field 1  Field 2  Field 3

In Version 6, the same command yielded the string

```
Field 1 \t\t Field 2 \t\t Field 3
```

nargin, nargout Operate on Function Handles

The nargin and nargout functions now accept a either a function name or function handle as an input argument. When called with a function handle, nargin and nargout return the number of input or output arguments you can pass to or receive from the function that the handle maps to.

fwrite Saves uint64 and int64 Types

The fwrite function can now save uint64 and int64 values. Previously fwrite supported these data types only on DEC Alpha systems. Now, it works on all supported MATLAB platforms.

mat2str Enhanced to Work with Non-double Types

In MATLAB 7.0.1, you can use the mat2str function to convert nondouble data types to a string that represents the input value. Type doc mat2str for more information.

Mathematics Features Graphics and 3-D Visualization Features